diff --git a/install-external-deps.sh b/install-external-deps.sh
index c376c85..e8eb6f3 100755
--- a/install-external-deps.sh
+++ b/install-external-deps.sh
@@ -8,8 +8,12 @@ RUNTIME_ENV_DIR="$(dirname "$RUNTIME_ENV_FILE")"
 LOCAL_ENV_FILE="$SCRIPT_DIR/.external-runtime.env"
 LOCAL_BOOTSTRAP_ARTIFACT_DIR="${ANYSCAN_LOCAL_BOOTSTRAP_ARTIFACT_DIR:-$REPO_ROOT/.cache/anyscan/bootstrap-artifacts}"
 
-VULNSCANNER_REPO_URL="${ANYSCAN_VULNSCANNER_REPO_URL:-https://github.com/Lorikazzzz/VulnScanner-zmap-alternative.git}"
-VULNSCANNER_REPO_DIR="${ANYSCAN_VULNSCANNER_REPO_DIR:-$REPO_ROOT/VulnScanner-zmap-alternative-}"
+# The scanner C source lives in AnyVM-Tech/anyscan-engine-c — a fork of the
+# upstream Lorikazzzz/VulnScanner-zmap-alternative- repo that AnyVM-Tech can
+# carry patches against (AF_XDP integration, PF_RING ZC dispatch fix, etc.).
+# See plans/2026-04-27-portscan-afxdp-plan-v1.md §9.1.
+VULNSCANNER_REPO_URL="${ANYSCAN_VULNSCANNER_REPO_URL:-https://github.com/AnyVM-Tech/anyscan-engine-c.git}"
+VULNSCANNER_REPO_DIR="${ANYSCAN_VULNSCANNER_REPO_DIR:-$REPO_ROOT/anyscan-engine-c}"
 VULNSCANNER_BIN_PATH="$VULNSCANNER_REPO_DIR/scanner"
 VULNSCANNER_INSTALLED_BIN="/opt/anyscan/bin/scanner"
 
diff --git a/package-worker-bundle.sh b/package-worker-bundle.sh
index 6bd655d..14a8690 100755
--- a/package-worker-bundle.sh
+++ b/package-worker-bundle.sh
@@ -517,7 +517,13 @@ main() {
     strip_binary "$bundle_root/bin/agentd"
 
     if [ -z "$SCANNER_SOURCE_BIN" ]; then
-        if [ -x "$SCRIPT_DIR/../../VulnScanner-zmap-alternative-/scanner" ]; then
+        # Prefer the AnyVM-Tech fork of the scanner C source (anyscan-engine-c)
+        # which carries the AF_XDP integration patches; fall back to the legacy
+        # upstream-clone path and the system-installed binary.
+        # See plans/2026-04-27-portscan-afxdp-plan-v1.md §9.1.
+        if [ -x "$SCRIPT_DIR/../../anyscan-engine-c/scanner" ]; then
+            SCANNER_SOURCE_BIN="$SCRIPT_DIR/../../anyscan-engine-c/scanner"
+        elif [ -x "$SCRIPT_DIR/../../VulnScanner-zmap-alternative-/scanner" ]; then
             SCANNER_SOURCE_BIN="$SCRIPT_DIR/../../VulnScanner-zmap-alternative-/scanner"
         elif [ -x /opt/anyscan/bin/scanner ]; then
             SCANNER_SOURCE_BIN="/opt/anyscan/bin/scanner"